CVE-2025-52222

High

Description

D-Link DI-8003 v16.07.26A1, DI-8500 v16.07.26A1; DI-8003G v17.12.21A1, DI-8200G v17.12.20A1, DI-8200 v16.07.26A1, DI-8400 v16.07.26A1, DI-8004w v16.07.26A1, DI-8100 v16.07.26A1, and DI-8100G v17.12.20A1 were discovered to contain a buffer overflow via the rd_en, rd_auth, rd_acct, http_hadmin, http_hadminpwd, rd_key, and rd_ip parameters in the radius_asp function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

SeverityHigh
CVSS7.5
Exploit probability—
ProductDlink Di-8100 Firmware
PublishedApr 8, 2026
First seenApr 8, 2026
Weakness typeCWE-120CWE-120

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
dlink di-8100_firmware16.07.26a1—
dlink di-8100g_firmware17.12.20a1—
dlink di-8004w_firmware16.07.26a1—
dlink di-8003g_firmware17.12.21a1—
dlink di-8003_firmware16.07.26a1—
dlink di-8500_firmware16.07.26a1—
dlink di-8200g_firmware17.12.20a1—
dlink di-8200_firmware16.07.26a1—
dlink di-8400_firmware16.07.26a1—

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